Add Android5 release build for Travis
Add Android5 release build for Travis

and remove linux64-c-debug, win64-c++-release

kealist/ren-c,kealist/ren-c,rgchris/ren-c,hostilefork/rebol,giuliolunati/ren-c,draegtun/ren-c,codebybrett/ren-c,rgchris/ren-c,kealist/ren-c,giuliolunati/ren-c,codebybrett/ren-c,draegtun/ren-c,codebybrett/ren-c,hostilefork/rebol,draegtun/ren-c,rgchris/ren-c,draegtun/ren-c,kealist/ren-c,draegtun/ren-c,hostilefork/rebol,hostilefork/rebol,rgchris/ren-c,kealist/ren-c,giuliolunati/ren-c,giuliolunati/ren-c,codebybrett/ren-c,codebybrett/ren-c,hostilefork/rebol,draegtun/ren-c,giuliolunati/ren-c,rgchris/ren-c,hostilefork/rebol,codebybrett/ren-c,kealist/ren-c